Uploaded February 2016 | Updated September 2026, 2 weeks ago

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Subscribe to the Podcast: goo.gl/CemLaj
Grey: youtube.com/user/cgpgrey
Brady: youtube.com/user/numberphile

Discussion: reddit.com/r/CGPGrey

Grey & Brady discuss: balloons, passport scanners, freebooting leaves the nest and GIFs, stuff people do while listening to the podcast corner, gustatory synesthesia follow-up, Brady meets his favorite band, and *The Martian* homework.

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## Show Notes:

**Discuss this episode: reddit.com/r/CGPGrey/comments/3hyq6o/hi_45_technobabble/**

Brady goes to a balloon fiesta: bradyharanblog.com/blog/2015/8/9/bristol-balloon-fiesta

Janet Folkes videos: youtube.com/playlist?list=PLB12CC26A863E1E14

Gordon Bennett Cup: goo.gl/k1I8gY

Brady’s photo of the University of Nottingham balloon: static1.squarespace.com/static/52d66949e4b0a8cec3bcdd46/t/55d6f39ce4b0c4913b0b6a59/1440150443760/P1200134.JPG?format=1500w

Solar Powered Balloon: itv.com/news/west/update/2015-08-07/solar-powered-hot-air-balloon-makes-its-debut-flight

Hank: Theft, Lies, and Facebook Video: medium.com/@hankgreen/theft-lies-and-facebook-video-656b0ffed369

Destin of Smarter Every Day: youtube.com/user/destinws2

Derek of Veritasium: youtube.com/user/1veritasium

The Physics Girl: youtube.com/channel/UC7DdEm33SyaTDtWYGO2CwdA

Cassini mission: en.wikipedia.org/wiki/Cassini–Huygens

If trains could be snakes: upload.wikimedia.org/wikipedia/commons/1/11/Road_Train2.jpg

Road trains: en.wikipedia.org/wiki/Road_train

Lexical-gustatory synesthesia: en.wikipedia.org/wiki/Lexical-gustatory_synesthesia

Brady brings J. Willgoose Esq from Public Service Broadcasting to the Royal Society: youtube.com/watch?v=bZnzmmAod3w

Public Service Broadcasting - Go!: youtube.com/watch?v=BHIo6qwJarI

*The Martian*: amazon.com/Martian-Andy-Weir/dp/0553418025/ref=sr_1_1?ie=UTF8&qid=1440167355&sr=8-1&keywords=the+martian

*The Martian* 'teaser' trailer: youtube.com/watch?v=ej3ioOneTy8